Finding the Fourth Proportional to 325,586.88, 489,128.85 and 229,744.62
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Solution
The fourth proportional to 325,586.88, 489,128.85 and 229,744.62 is: 345,145.12
Step by Step Solution
- Step 1: Write the proportion equation
325,586.88 : 489,128.85 = 229,744.62 : x - Step 2: Convert to fraction form
325,586.88/489,128.85 = 229,744.62/x - Step 3: Cross multiply
325,586.88x = 489,128.85 × 229,744.62 - Step 4: Simplify right side
325,586.88x = 112,374,721,774.29 - Step 5: Solve for x
x = 112,374,721,774.29/325,586.88 - Step 6: Final answer
x = 345,145.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.